MonoLight: The unit mounts onto any standard lightstand with a 5/8" or smaller mounting stud. It has a circular flash tube that is daylight balanced at 5600 deg. K, a guide number of 36 at ISO 100 and a recycling time of 5-7 seconds. It also comes with a 50 watt removable modeling lamp. The Budget Studio monolight Flash can be triggered through the camera with its included 12" sync cord, by another flash being fired and activating the built-in Photo-Slave, or through its open-flash test button. It"s a compact 7.0" long with a diameter of 3-3/4" and weighs only 15 ounces. Power: 160 Watt Seconds; Angle-adjustable bracket with built-in umbrella holder; 50 Watt model light; Color-temperature corrected (5,500K) circular flash-tube; Includes 10" AC Power Cord, Sync Cord; All kinds of lighting accessories available: barn-doors, snoot, color filters, honeycomb, soft boxes & umbrellas. Umbrella: Works well to diffuse the light from any flash creating a soft even light for your subject. Light-weight and easy set up. Light stand: Versatile, Hardworking & Lightweight; Black anodized aluminum; Stable & Quick Setup; Maximum Height: 1900 MM, 78 inches; Minimum Height: 810 MM, 32.4 inches; Maximum Load Capacity 2.5KG, 9.9 lbs; Closed Length: 805 MM, 32.2 inches; Footprint Diameter 925 MM, 37.8 inches; Mounting Stud 5/8 inches.